Seventh graders view "Volcano" by National Geographic Video. They experiment with baking soda and study lava flow. They describe volcano and earthquake patterns. They analyze weather and climate changes and how they relate to the natural...

Students discover the various ways in which tree rings can give information. After a brief disucssion of concentric tree rings, they use cross section cut outs of tree rings to identify the time and type of various naturally occuring...

For this Plinian eruptions worksheet, students read about the types of volcanic eruptions and about Gaius Plinius Secundus who the Plinian eruption was named after. Students answer four critical thinking questions about volcanic eruptions.

In this aerosol learning exercise, students are given data for volcanic eruptions and the average temperatures of the Earth. They determine the change in temperature from the year of the eruption to the present year and use the means to...